Step Drill Bit Set, 1/8" - 7/8" (3PCS) Four Spiral Flute Step Bits for Metal, 34 Sizes Titanium-Coated HSS Drill Bits with 1/4" Hex Shank for Stainless Steel Aluminum Wood Plastic

★★★★★ 4.9 126 reviews

$31.99
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$31.99
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Free shipping Free 30-day returns

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Management number 216555554 Release Date 2026/04/19 List Price $12.80 Model Number 216555554
Category
  • 【Cobalt HSS Step Drill】Cobalt high-speed steel has high hardness and wear resistance. Its toughness and bending strength exceed standard high-speed steel, making this stepped drill very suitable for cutting harder materials.
  • 【AlTiN Coating】The step drill bit is coated with aluminum titanium nitride, which has a hardness of 58-63HRC. Its industrial-grade structure ensures durability and longevity. It possesses heat resistance, wear resistance, and corrosion resistance, along with high adhesion and low friction. This results in a longer lifespan for the drill bit
  • 【Four Spiral Flute Designs】Four-slot step drill bit provides excellent stability, improving accuracy and cutting speed. It is suitable for various occasions, and can quickly and smoothly drill holes of different diameters. It is applicable to materials such as stainless steel, aluminum, wood, plastic sheets, copper, and other metal plates
  • 【Widely Used】Suitable for multiple scenarios, and is able to drill holes of a variety of diameters quickly and smoothly, which on materials such as stainless steel, aluminum, wood, plastic board, copper, and other metal sheets
  • 【Friendly Reminder】Due to high-speed rotation, the temperature of the drill bit will rise. It is recommended to add cutting oil or spray water to cool the drill bit during continuous operation, which can effectively extend the service life of the step drill.

Model TV-CG2055BL-5
Brand Name TVWVT
Shank Type Hex
Unit Count 1.0 Count
Finish Types Cobalt Hss
Manufacturer TVWVT
Material Type Hss Cobalt
Item Dimensions 7.48 x 1.97 x 5.51 inches
Tool Flute Type Parabolic
Number of Flutes 4
Included Components step drill bit
Cutting Angle String 118 Degrees
Surface Recommendation Aluminum, Stainless Steel, Metal, Wood, Plastic

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